42530234 has 8 divisors (see below), whose sum is σ = 64060788. Its totient is φ = 21176640.

The previous prime is 42530231. The next prime is 42530239. The reversal of 42530234 is 43203524.

It can be written as a sum of positive squares in 2 ways, for example, as 42211009 + 319225 = 6497^2 + 565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42530231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43637 + ... + 44600.

Almost surely, 2^42530234 is an apocalyptic number.

42530234 is a deficient number, since it is larger than the sum of its proper divisors (21530554).

42530234 is a wasteful number, since it uses less digits than its factorization.

42530234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88480.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42530234 is about 6521.5208348973. The cubic root of 42530234 is about 349.0593353466.

Adding to 42530234 its reverse (43203524), we get a palindrome (85733758).

The spelling of 42530234 in words is "forty-two million, five hundred thirty thousand, two hundred thirty-four".